SAT 语法改错题Even though only parts of clay vessels may be recovered,these pottery shards are invaluable to the archeologist because it is virtually indestructible.这句话我不太理解为什么indestructible但是还是只有pottery shards

请问一道SAT中的语法改错题chess players find that playing against computer is helpful to improve their skills,even though no chess-playing computer has yet won a championship.为什么要把 to improve 改成 in improving呢? SAT 语法改错题Even though only parts of clay vessels may be recovered,these pottery shards are invaluable to the archeologist because it is virtually indestructible.这句话我不太理解为什么indestructible但是还是只有pottery shards SAT语法题中段落改错的顺序 Even though he is very old,he can work.改错 Nobody believed him even though what he said改错 sat语法题ip 语法改错题 括号内为改错部分Mediators were standing by,prepred (A:to intervene in ) the labor dispute (B:even though) both sides (C:had refused) earlier offers (D:for ) assistance.(E:No error)怎么改才对 应该是什么词组搭配? sat语法 改错the people sitting behind me in the movie theater were talking thoughout the film and would not keep their voice down even after being asked to do so.这是改错题,错在their voice 部分would not 的部分不应该是did not would 三道OG上的SAT语法题In Germany,foresters discovered that trees killed by acid rain had begun to die four years (earlier,even though the trees had shown no signs of disease them)n.D earlier without any signs of disease shown then这个题答案 求教一些SAT语法题~括号代表下划线.请逐题解答,问题比较多,1、Mediators were standing by,prepared to intervene in the labor dispute even though both sides had refused earlier offers (for) assistance.2、Mr.Hanson proudly demonstr 一道SAT语法题In Germany,foresters discovered that trees killed by acid rain had begun to die four years (earlier,even though the trees had shown no signs of disease then)B.ealier,but not showing any signs of disease thenC.ealier without any sign SAT语法题 no oneno one A(objects to) his company, even though he has made insulting remarks B(about) C(almost every) member of the D(group, when) he is a remarkably witty man. E(No Error)为什么答案是D? sat OG语法一题In Germany,foresters discovered that trees killed by acid rain had begun to die four years earlier,even though the trees had shown no signs of disease then.AB earlier,but not showing any signs of disease thenC earlier,no outward sig SAT语法几道语法题 SAT语法句子改善题 一道SAT OC 语法题> 英语题：even though, even if, as though, as if 的区别,详解~~ 谢谢啦 even if,even though,though的区别